Daily Sunspot Evaluation
Observation Details Thursday, 4 September 2025
- No
- 20337
- Date
- 2025 / 09 / 04,368
- Time
- 08:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 10
- Number of spots (f)
- 70
- Relative number (R)
- 170
- Lf
- 2
- P0
- 21.91°
- B0
- 7.23°
- L0
- 63.53°
- Observer
- Korhan YELKENCİ
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 10 | 4 | 54.6W | 119 | 56.6W | 5.8 | |
| 2 | AX_ – 2 | 17 | 02.9W | 66 | 04.9W | 1.0 | |
| 3 | HS_ – 1 | 9 | 00.6W | 64 | 02.6W | 1.9 | |
| 4 | AX_ – 2 | 11 | 17.4E | 47 | 15.4E | 1.7 | |
| 5 | FAI – 33 | 29 | 20.3E | 43 | 18.3E | 19.8 | |
| 6 | DAI – 6 | 9 | 37.2E | 26 | 35.2E | 8.5 | |
| 7 | FAC – 11 | -18 | 69.6W | 134 | 71.6W | 18.1 | |
| 8 | HS_ – 1 | -21 | 53.8W | 117 | 55.8W | 2.0 | |
| 9 | DAI – 3 | -15 | 46.9W | 110 | 48.9W | 4.9 | |
| 10 | HS_ – 1 | -14 | 53.5E | 10 | 51.5E | 2.8 |
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